Era
Early works to 1800
3
1738-1822
2
19th century
2
14th century
1
1628-1696
1
1730-1817
1
17th century
1
1809-1882
1
1900-1999
1
1915
1
1945
1
1949-
1
1951-
1
1961-
1
1966
1
1981-
1
2000
1
20e siècle
1
20th century
1
Bombardment, 1945
1
British occupation, 1765-1947
1
Cenozoic
1
Cénozoïque
1
From 10 thousand years ago
1
From 230 to 280 million years ago
1
From 65 million years ago
1
Geschichte
1
Geschichte 1800-1900
1
Handbooks, manuals, etc
1
Holocene
1
Holocène
1
Permian
1
Permien
1
Quaternaire récent
1